Kynar PVDF (Polyvinylidene Fluoride) Data Sheet

||Kynar PVDF (Polyvinylidene Fluoride) Data Sheet
Kynar PVDF (Polyvinylidene Fluoride) Data Sheet2017-01-23T09:55:33+00:00

Kynar polyvinylidene fluoride, or polyvinylidene difluoride (PVDF) is a highly non-reactive and pure thermoplastic fluoropolymer produced by the polymerization of vinylidene difluoride.

Mechanical ASTM Test Method Kynar 740 Extruded PVDF Kynar 2850 Extruded PVDF Units
Strength to Weight Ratio - - - ksi
Specific Gravity @73 F D792 1.77 - 1.79 1.76 - 1.78 -
Tensile Strength @73 F, (ult)/(yld) D638 7,000 (yld) 5,000 (yld) psi
Tensile Modulus of Elasticity @73 F D638 250,000 125,000 psi
Tensile Elongation at Break @73 F D638 50 - 250 300 - 400 %
Flexural Strength @73 F D790 8,000 - psi
Flexural Modulus of Elasticity @73 F D790 250,000 170,000 psi
Shear Strength @73 F D732 - - psi
Comprehensive Strength, (% Deformation) @73 F D695 10,000 (10) - psi
Comprehensive Modulus of Elasticity @73 F D695 - - psi
Hardness, Rockwell, Scale as noted @73 F D785 - - -
Hardness, Durometer, Shore D @73 F D2240 D78 D70 -
Izod Impact, (Notched) @73 F D256 Type A 3.0 6 - 10 ft-lb/in of notch
Coefficient of Friction, (Dry vs Steel) Dynamic - - - -
Limiting PV, (with 4 to 1 factor of safety applied) - - - psi-ft/min
Thermal ASTM Test Method Kynar 740 Extruded PVDF Kynar 2850 Extruded PVDF Units
Coefficient of Linear Thermal Expansion @73 F E-831 (TMA) 6.6 E-05 7.8 E-05 in/in/F
Heat Deflection Temperature @264 psi D648 221 104 F
Tg-Glass transition termperature, (Amorphous) D3418 - - F
Melting Point, (VS=Vicat Softening Temp.) D3418 - - F
Continuous Service Temperature in Air, (Max.) - - - F
Thermal Conductivity - 1.18 1.11 BTU-in/hr-ft2-F
Electric ASTM Test Method Kynar 740 Extruded PVDF Kynar 2850 Extruded PVDF Units
Dielectric Strength, Short Term D149 - - Volts/mil
Volume Resistivity D257 2.0 E+14 2.0 E+14 ohm-cm
Dielectric Constant @10E6 Hz D150 - - -
Dissipation Factor @10E6 Hz D150 - - -
Flammability @3.1 mm unless noted UL94 - - -
H2O ASTM Test Method Kynar 740 Extruded PVDF Kynar 2850 Extruded PVDF Units
Water Absorption, Immersion, 24 hours D570(7) 0.03 0.04 % by weight
Water Absorption, Saturation D570(7) - - % by weight